There are a number of lodging options at Sunday River including the Grand Summit Hotel, the Jordan Hotel and the Snow Cap Inn. Sunday River has a comparison of these three on their own Lodging Options site. You can also view the different room types, here.
The River View Resort is another option is near the hill that could be booked separately, more info here.
Grand Summit Hotel
The Grand Summit offers ski-in/ski-out access thanks to it’s slope-side location, with a number of beginner-level trails nearby (great for families!). There are two on site restaurants, a fitness center with sauna and an outdoor heated pool with a hot tub. You can also use the free trolley service to connect you to South Ridge, and many other amenities.
Jordan Hotel
The Jordan is located on the opposite side of Sunday River, with ski-in/ski-out access directly to Jordan Bowl area. There are on-site restaurants, a fitness center with steam room and sauna and an outdoor heated pool with two hot tubs. You can also use the free trolley service to connect you to South Ridge, and many other amenities.
Snow Cap Inn
The Snow Cap Inn is centrally located with a short walk to the slopes (no ski-in/ski-out access), or you can use the free trolley service right from the front door. There is an outdoor hot tub.